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1. What are all of the decomposition reactions?
2. Identify the spectator ions in the following reaction:
CA^2+ (aq) +2NO3-(aq)+2Na^+(aq) +CO3^2-(aq)--> CaCO3(s) + 2Na^+(aq)+NO3-(aq)
a. NO3- AND CO3^2-
b. Ca^2+ and Na^+
c. Ca^2+ and CO3^2-
d. Ca^2+ and NO3-
e. Na^+ and NO3-
How do I show all steps and their respective manipulations to obtain the correct equation and determine the ΔH in kJ for the reaction of 2 Mg (s) + O2 (g) ----> 2MgO (s)
what is the mass in grams in 2.28 mol of each of the following: a) N2, b)SO3, c)C3H6O3, d)Mg(HCO3)2, e)SF6. Please use significant figures.
Calculate the concentrations of all species in a 0.260 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
How many moles of (NH4)2SO4 are there in 100.00 g of ammonium sulfate? How many ammonium ions are in 100.00 grams of ammonium sulfate? Use Avogadro's number, 6.0221 x 1023 ions/mol.
A solution is made by adding 70.00grams of sodium acetate to 550.0mL of 0.60 mol/L solution of acetic acid. a.What is the pH of the
What is change in free energy associated with transporting 1 mole of glucose from the plasma into he cytosol of the red blood cell at 37 degrees Celsius? F=96500 J/mol x V, R= 8.3145 J/molK. The transmembrane electrical potential is -60mV (Plasma ..
Determine the reaction of 1-cyclobutylethanol 1-hydroxyethylcyclobutane with concentrated H2SO4 at 120 degrees C. State structures of all reasonable organic products. Presuming that methylcyclopentene is one product, State a mechanism that account..
what concentration in ppm would it constitute? The effective volume of the earth's atmosphere is about 4.2 billion km^3, and take the average pressure to be 550 mm Hg and the average temperature to be -10 degrees C. The molar mass of air is 29 g/m..
A student dissolves 7.39 g of and unknown protein in 0.286 l of water at 300k. She measures the osmotic pressure to be 3.932 x 10^-3 ATM.
If sample of sodium is dropped into a container of water the reaction is 2Na +2H2O ---> 2NaOH +H2. If 10.4 g of hydrogen are produced, how many g of NaOH are also formed
Based on the stoichiometry, at what point does the limiting reactant change? show calculations to support your answer. The volume of acid HCL (10mL) is constant and mass of metal Mg (0.250g) is constant.
Not more than 5 H-bond donors (OH or NH) Not more than 10 H-bond acceptors (O or N) MW less than 500 g/mol What is the rational for the Rule of Five?
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